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What exactly do the compiler flags`-femulated-tls` and `tls-model` do ? Why does tls-emulation not solve the problem ? Looking at the generated IR, it seems not to remove thread_local variable declarations. What is the reasoning behind that ? 2017-02-07 16:27 GMT+00:00 Gaetano Checinski <gaetano.checinski at gmail.com>: > > got a minimal example now: > extern thread_local

> Unfortunately it doesn't look like lli has support for emulated TLS either, though that would be pretty simple to add. As an experiment I've `llvm::createLowerEmuTLSPass` into lli which added @__emutls_v.x and @__emutls_v.t. However i didn't have any __emultls_get_address calls in my IR. Is there a llvm pass or compiler-flag that replaces thread_locals with appropriate __emultls_get_address calls ? 2017-02-08 14:53 GMT+00:00 Tim Northover <t.p.northo...